Home / 28,326.35-42,487.06-13,329.91

Finding the Fourth Proportional to 28,326.35, 42,487.06 and 13,329.91

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Solution

The fourth proportional to 28,326.35, 42,487.06 and 13,329.91 is: 19,993.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,326.35 : 42,487.06 = 13,329.91 : x
  2. Step 2: Convert to fraction form
    28,326.35/42,487.06 = 13,329.91/x
  3. Step 3: Cross multiply
    28,326.35x = 42,487.06 × 13,329.91
  4. Step 4: Simplify right side
    28,326.35x = 566,348,685.96
  5. Step 5: Solve for x
    x = 566,348,685.96/28,326.35
  6. Step 6: Final answer
    x = 19,993.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.